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Inventor

Yoshikazu Arai

Inventor
Zushi, JP

Overview

13→
Patents
1998–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E04Hprimary
E04HBuildings or like structures for particular purposes16%
F16FSprings16%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
F16DCouplings for transmitting rotation8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
B23BTurning4%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%
B24BMachines, devices, or processes for grinding or polishing4%
B82YSpecific uses or applications of nanostructures4%
C07DHeterocyclic compounds4%
PatentTitleYear
10,192,664Exciting device for electromagnetic connection device20199,631,688'Electromagnetic clutch'20179,494,207'Friction damper'20169,488,240'Friction damper'20168,759,553'Method for producing epoxy compound'20148,637,225'Magnetic recording medium and magnetic recording/reproducing apparatus'20148,604,150'Epoxy group-containing organosiloxane compound, curable composition for transfer materials and method for forming micropattern using the composition'20138,584,821'Friction damper'20138,426,614'Epoxy compound and process for producing the epoxy compound'20137,942,063'Processing apparatus'20117,595,893'Shape measurement method and shape measurement apparatus'20097,322,451'Friction damper'20085,819,008'Mobile robot sensor system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2016Patents assigned to OILES INDUSTRY CO LTD (4)· patent assignee history
2008–2016Based in Zushi, JP· patent location history
2011Based in Miyagi, JP· patent location history
2013–2016Patents assigned to ARAI YOSHIKAZU (5)· patent assignee history
2013–2014Patents assigned to SHOWA DENKO KK (4)· patent assignee history
2013–2014Patents assigned to UCHIDA HIROSHI (4)· patent assignee history
2013–2016Patents assigned to NAGASHIMA KAZUHIRO (2)· patent assignee history
2013–2014Based in Minato-ku, JP· patent location history
2014Based in Ichihara, JP· patent location history
2017–2019Based in Gunma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARAI YOSHIKAZUself52013–2016
OILES INDUSTRY CO LTD42008–2016
SHOWA DENKO KK42013–2014
UCHIDA HIROSHI42013–2014
NAGASHIMA KAZUHIRO22013–2016
Locations
LocationPatentsSpan
Zushi, JP32008–2016
Minato-ku, JP32013–2014
Gunma, JP22017–2019
Ichihara, JP12014
Miyagi, JP12011